Logitech - MX Master 4 vs SteelSeries - Aerox 9 Wireless
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Logitech - MX Master 4 | SteelSeries - Aerox 9 Wireless |
|---|---|---|
| Battery | 1680 h | 180 h |
| Polling rate | 125 Hz | 1000 Hz |
| Max DPI | 8000 | 18000 |
| Weight | 150 g | 89 g |
| Buttons | 7 | 18 |
Between the MX Master 4 and Aerox 9 Wireless, the MX Master 4 comes out ahead in battery, while the Aerox 9 Wireless wins on polling rate / max dpi. Overall, the MX Master 4 scores 50.9 and the Aerox 9 Wireless scores 55.3 on our Mars Score.
Which should you buy?
The Aerox 9 Wireless edges ahead on the Mars Score (50.9 vs 55.3), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the MX Master 4 if you care most about battery. The biggest gaps in its favor are battery. The single most decisive one: Battery — 833.33% more. 1680 h vs 180 h.
Pick the Aerox 9 Wireless if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are polling rate, max dpi, weight, among others. The single most decisive one: Polling rate — 700.00% more. 1000 Hz vs 125 Hz.
Both ship with comparable wireless, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Logitech - MX Master 4 or SteelSeries - Aerox 9 Wireless?
SteelSeries - Aerox 9 Wireless leads the current Mars Score by 4.4 points.The more useful decision is the trade-off behind that result: compare max dpi, polling rate, weight against the way you will actually use the product.
Choose Logitech - MX Master 4 if…
Logitech - MX Master 4 has the measurable edge on battery h.
Choose SteelSeries - Aerox 9 Wireless if…
SteelSeries - Aerox 9 Wireless has the measurable edge on polling rate hz, max dpi, weight g.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Logitech - MX Master 4 wins
- ▲Battery — 833.33% more. 1680 h vs 180 h.
Why SteelSeries - Aerox 9 Wireless wins
- ▲Polling rate — 700.00% more. 1000 Hz vs 125 Hz.
- ▲Max DPI — 125.00% more. 18000 vs 8000.
- ▲Weight — 61.00 g less. 89 vs 150.
- ▲Buttons — 11.00 more. 18 vs 7.
Spec comparison
Sensor
| Spec | Logitech - MX Master 4 | SteelSeries - Aerox 9 Wireless |
|---|---|---|
| Max DPI | 8000 | 18000lead |
| Max IPS | 0 | 400lead |
| Polling rate | 125 Hz | 1000 Hzlead |
Design
| Spec | Logitech - MX Master 4 | SteelSeries - Aerox 9 Wireless |
|---|---|---|
| Weight | 150 g | 89 glead |
| Buttons | 7 | 18lead |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Logitech - MX Master 4 | SteelSeries - Aerox 9 Wireless |
|---|---|---|
| Wireless | true | true |
| Battery | 1680 hlead | 180 h |